JDK 9 RFR of JDK-8172200: Mark StressLoopback.java as intermittently failing

[joe darcy]

Hello,

The test

java/nio/channels/AsynchronousSocketChannel/StressLoopback.java

intermittently fails on Solaris x64 on one of our testing systems. The 
test should be marked accordingly. Please review the patch below which 
does this.

Thanks,

-Joe

diff -r d27bab22ff62 
test/java/nio/channels/AsynchronousSocketChannel/StressLoopback.java
--- 
a/test/java/nio/channels/AsynchronousSocketChannel/StressLoopback.java 
Mon Jan 02 22:45:34 2017 +0100
+++ 
b/test/java/nio/channels/AsynchronousSocketChannel/StressLoopback.java 
Tue Jan 03 16:26:21 2017 -0800
@@ -26,7 +26,7 @@
   * @summary Stress test connections through the loopback interface
   * @run main StressLoopback
   * @run main/othervm -Djdk.net.useFastTcpLoopback StressLoopback
- * @key randomness
+ * @key randomness intermittent
   */

  import java.nio.ByteBuffer;